Senior Applied Research Scientist, Cancer Screening — Lunit (Seoul, Gangnam)

Lunit, a medical AI company working on cancer detection and treatment-outcome prediction, is hiring a Senior Applied Research Scientist for its cancer screening group. Applications go directly to Lunit; Waegook is only sharing the listing.

■ Important eligibility note
This position is open to candidates who already live in Korea and have a level of Korean suitable for working in a Korean business. The ability to communicate in Korean is a stated requirement.

■ Employer
Lunit — Lunit HQ, 5F, 374 Gangnam-daero, Gangnam-gu, Seoul 06241
One minute from Gangnam Station Exit 3.

■ About the team
You would join the AI research department of the cancer screening group, working alongside AI research scientists and engineers on both real-world products and applied research. Current projects span foundation models, language models, large-scale self-supervised learning, domain generalisation, agentic AI, ML pipelines, risk prediction and image quality assessment. The team publishes, blogs, releases datasets and runs public machine-learning challenges.

■ Roles and responsibilities
- Lead research on AI models advancing Lunit's products and the state of the art in medical image analysis
- Work closely with medical doctors, product managers and research engineers on new projects
- Translate technology into clinical practice
- Contribute hands-on across the full research lifecycle — data cleaning, pipeline management, codebase structuring — and give technical guidance to junior members

■ Tech stack
Python, PyTorch, MLflow, Prefect, Langchain · Google Cloud Platform · Git, Docker, Confluence, Jira, Cursor

■ Qualifications
- 5+ years of research experience in machine learning, in academia or industry, preferably in computer vision, medical image analysis or NLP
- Master's or doctorate in computer science, biomedical engineering, physics, mathematics, electrical engineering or a related field
- Solid grounding in contemporary machine learning and image analysis, and the related packages (deep neural nets, PyTorch, TensorFlow)
- Experience designing ML-based software systems and deploying them to production
- Ability to communicate in Korean
- Strong interest in medical problems and in advancing the standard of care with AI
- Analytical, detail-oriented, collaborative, and proactive about sharing knowledge

■ Preferred
- 7+ years of research experience including 2+ in industry (e.g. PhD plus 2 years, or Master's plus 5 years)
- Solid experience with Git, Python, unit and integration testing, multithreading, and practices such as agentic AI
- Experience with medical image data, and contributions to open-source computer vision or ML repositories
- Familiarity with recent AI research — LLMs, Stable Diffusion, Vision Transformers, self-supervised learning
- First-author papers at CVPR/ICCV/ECCV, NeurIPS/ICLR/MedIA/TMI/MICCAI, or in translational journals such as Nature Medicine, JAMA or Lancet Digital Health
- Participation in computer vision or medical imaging challenges

■ How to apply
Apply through Lunit's careers page with a CV in English (free format), plus any other relevant material.
Full listing: https://apply.workable.com/lunit/j/A72EC62E87/

■ Hiring process
Document screening, introductory interview, technical interview, presentation interview, culture-fit interview, onboarding. Reference checks may follow the final interview.

■ Conditions
- Full-time, with a 3-month probation period
- Salary: after negotiation — no figure is published

■ Benefits, as listed by Lunit
- Meal allowance up to 12,000 KRW per meal when working at the office
- Latest Macs and 4K monitors, renewed every three years
- Seminar registration fees and book purchases covered
- Regular in-house AI and medical seminars
- In-house English lessons
- Access to AI learning resources and a deep-learning DevOps system
- Up to 1,200,000 KRW of benefits points a year
- Holiday allowances for Seollal and Chuseok
- Congratulatory and condolence allowances with paid time off
- Annual medical checkups and employee accident insurance

Lunit states it provides preferential processing for those eligible for employment protection (national merit and persons with disabilities) under the relevant laws. Misrepresenting experience or education in an application may be grounds for cancelling employment.